MARI LARI tells about the struggle of a young man named Rio Kusumo ( Dimas Aditya ) in participating in the marathon. When she doing running drills, Rio met a girl who likes to run named Anisa ( Olivia Jensen ). Originally, Rio is a young man who easily give up and never finished anything in his life. However, he was determined to follow the marathon race and finish it for the sake of the mother. Late mother was a runner. With the aim to help of Anisa, Rio finally getting excited to participate in this marathon race. Moreover, he also wants to make his father proud of her. Do Rio completed the marathon run?